diff --git a/components/comment/__tests__/__snapshots__/demo.test.js.snap b/components/comment/__tests__/__snapshots__/demo.test.js.snap
index 85ef97aa1..26176681c 100644
--- a/components/comment/__tests__/__snapshots__/demo.test.js.snap
+++ b/components/comment/__tests__/__snapshots__/demo.test.js.snap
@@ -73,7 +73,9 @@ exports[`renders ./antdv-demo/docs/comment/demo/list.md correctly 1`] = `
                 <div class="ant-comment-content-detail">
                   <p>We supply a series of design principles, practical patterns and high quality design resources (Sketch and Axure), to help people create their product prototypes beautifully and efficiently.</p>
                 </div>
-                <!---->
+                <ul class="ant-comment-actions">
+                  <li><span>Reply to</span></li>
+                </ul>
               </div>
             </div>
             <!---->
@@ -90,7 +92,9 @@ exports[`renders ./antdv-demo/docs/comment/demo/list.md correctly 1`] = `
                 <div class="ant-comment-content-detail">
                   <p>We supply a series of design principles, practical patterns and high quality design resources (Sketch and Axure), to help people create their product prototypes beautifully and efficiently.</p>
                 </div>
-                <!---->
+                <ul class="ant-comment-actions">
+                  <li><span>Reply to</span></li>
+                </ul>
               </div>
             </div>
             <!---->
@@ -117,7 +121,9 @@ exports[`renders ./antdv-demo/docs/comment/demo/nested.md correctly 1`] = `
       <div class="ant-comment-content-detail">
         <p> We supply a series of design principles, practical patterns and high quality design resources (Sketch and Axure). </p>
       </div>
-      <!---->
+      <ul class="ant-comment-actions">
+        <li><span>Reply to</span></li>
+      </ul>
     </div>
   </div>
   <div class="ant-comment-nested">
@@ -131,7 +137,9 @@ exports[`renders ./antdv-demo/docs/comment/demo/nested.md correctly 1`] = `
           <div class="ant-comment-content-detail">
             <p> We supply a series of design principles, practical patterns and high quality design resources (Sketch and Axure). </p>
           </div>
-          <!---->
+          <ul class="ant-comment-actions">
+            <li><span>Reply to</span></li>
+          </ul>
         </div>
       </div>
       <div class="ant-comment-nested">
@@ -145,7 +153,9 @@ exports[`renders ./antdv-demo/docs/comment/demo/nested.md correctly 1`] = `
               <div class="ant-comment-content-detail">
                 <p> We supply a series of design principles, practical patterns and high quality design resources (Sketch and Axure). </p>
               </div>
-              <!---->
+              <ul class="ant-comment-actions">
+                <li><span>Reply to</span></li>
+              </ul>
             </div>
           </div>
           <!---->
@@ -160,7 +170,9 @@ exports[`renders ./antdv-demo/docs/comment/demo/nested.md correctly 1`] = `
               <div class="ant-comment-content-detail">
                 <p> We supply a series of design principles, practical patterns and high quality design resources (Sketch and Axure). </p>
               </div>
-              <!---->
+              <ul class="ant-comment-actions">
+                <li><span>Reply to</span></li>
+              </ul>
             </div>
           </div>
           <!---->
diff --git a/components/comment/index.jsx b/components/comment/index.jsx
index 0d489e09b..8811bd461 100644
--- a/components/comment/index.jsx
+++ b/components/comment/index.jsx
@@ -55,10 +55,11 @@ const Comment = {
       </div>
     );
 
-    const actionDom =
-      actions && actions.length ? (
-        <ul class={`${prefixCls}-actions`}>{this.getAction(actions)}</ul>
-      ) : null;
+    const actionDom = actions ? (
+      <ul class={`${prefixCls}-actions`}>
+        {this.getAction(Array.isArray(actions) ? actions : [actions])}
+      </ul>
+    ) : null;
 
     const authorContent = (
       <div class={`${prefixCls}-content-author`}>
diff --git a/components/mentions/__tests__/__snapshots__/demo.test.js.snap b/components/mentions/__tests__/__snapshots__/demo.test.js.snap
index df621fc7b..3b893ea53 100644
--- a/components/mentions/__tests__/__snapshots__/demo.test.js.snap
+++ b/components/mentions/__tests__/__snapshots__/demo.test.js.snap
@@ -1,8 +1,16 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`renders ./antdv-demo/docs/mentions/demo/async.md correctly 1`] = `<div class="ant-mentions"><textarea rows="1"></textarea></div>`;
+exports[`renders ./antdv-demo/docs/mentions/demo/async.md correctly 1`] = `
+<div class="ant-mentions"><textarea rows="1"></textarea>
+  <!---->
+</div>
+`;
 
-exports[`renders ./antdv-demo/docs/mentions/demo/basic.md correctly 1`] = `<div class="ant-mentions"><textarea rows="1"></textarea></div>`;
+exports[`renders ./antdv-demo/docs/mentions/demo/basic.md correctly 1`] = `
+<div class="ant-mentions"><textarea autofocus="" rows="1"></textarea>
+  <!---->
+</div>
+`;
 
 exports[`renders ./antdv-demo/docs/mentions/demo/form.md correctly 1`] = `
 <form class="ant-form ant-form-horizontal">
@@ -32,15 +40,27 @@ exports[`renders ./antdv-demo/docs/mentions/demo/form.md correctly 1`] = `
 </form>
 `;
 
-exports[`renders ./antdv-demo/docs/mentions/demo/placement.md correctly 1`] = `<div class="ant-mentions"><textarea rows="1"></textarea></div>`;
+exports[`renders ./antdv-demo/docs/mentions/demo/placement.md correctly 1`] = `
+<div class="ant-mentions"><textarea rows="1"></textarea>
+  <!---->
+</div>
+`;
 
-exports[`renders ./antdv-demo/docs/mentions/demo/prefix.md correctly 1`] = `<div class="ant-mentions"><textarea rows="1" placeholder="input @ to mention people, # to mention tag"></textarea></div>`;
+exports[`renders ./antdv-demo/docs/mentions/demo/prefix.md correctly 1`] = `
+<div class="ant-mentions"><textarea rows="1" placeholder="input @ to mention people, # to mention tag"></textarea>
+  <!---->
+</div>
+`;
 
 exports[`renders ./antdv-demo/docs/mentions/demo/readonly.md correctly 1`] = `
 <div>
   <div style="margin-bottom: 10px;">
-    <div class="ant-mentions ant-mentions-disabled"><textarea disabled="disabled" rows="1" placeholder="this is disabled Mentions"></textarea></div>
+    <div class="ant-mentions ant-mentions-disabled"><textarea disabled="" rows="1" placeholder="this is disabled Mentions"></textarea>
+      <!---->
+    </div>
+  </div>
+  <div class="ant-mentions"><textarea rows="1" placeholder="this is readOnly a-mentions" readonly=""></textarea>
+    <!---->
   </div>
-  <div class="ant-mentions"><textarea rows="1" placeholder="this is readonly a-mentions" readonly="readonly"></textarea></div>
 </div>
 `;
diff --git a/examples/App.vue b/examples/App.vue
index c678a019f..c3727a804 100644
--- a/examples/App.vue
+++ b/examples/App.vue
@@ -4,7 +4,7 @@
   </div>
 </template>
 <script>
-import demo from '../antdv-demo/docs/menu/demo/template';
+import demo from '../antdv-demo/docs/comment/demo/nested';
 
 export default {
   components: {